Gage-cock.



P. W. LEIDECKER.

Patented Jan. 12, 1915.

Witneses Attorneys FRANK w., .LEIDECKER, or MARIETTA, OHIO.

7v GAGE-COCK.

Application filed March 31, 1914. 7 Serial N 0. 828,598.

To all whom it may concern:

Be it known that I, FRANK W. LEIDEQKER,

a citizen of the United States, residing at Marietta, in the county of l/Vashington and State of Ohio, ful Gage-Cock, of which the following 13 a specification.

This inventionrelates to gage cocks.

Theobject of the present invention is to provide a gage cock in which the wear of a valve or cutoff is automatically taken up, thus preventing the leakage of the device.

Afurther object is to improve generally the construction disclosed in my former Patent No. 711,988. I

With the foregoing and other objects in view-which will appear as the description proceeds, the invention resides in'the comblnation and arrangement of parts and in the detailsof construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed, can be made within the scope of what is claimed, wlthout departing from the spirit of theinventlon. In the drawings accompanylng thls specification and forming a part thereof, the pretrated, in which:

Figure 1 is a sectional GlEVELtIOII OT a gage cock characterized by this invention. lhg. 2 is a top plan View thereof. Fig. 3 1s a fragmentary detail view in side elevation.

fen-ed embodiment of my invention is illus- Fig. 4 is a detail view of the valve seat.

Fig. 5 is a cross sectional view taken on the line 55 of Fig. 2.

Referring to the drawings in WlllCll s1m1- lar reference numerals designate corresponding parts throughout the several views, 6 is a nipple, externally threaded, so as to engage an opening in a boiler whose level is an indication of the amount of water j therein. The rear extremity of the nipple is provided with the cylindrical valve member 7 the same being relatively smaller in trans-' verse section than the nipple and is provided with straight walls 8 Anenlarged passageway 9 extends through the nipple 6 and communicates with the restricted outlet duct 10 which extends through the valve member 7.

A yoke 11, including the forwardly projecting spaced arms 12 is adapted to receive the valve member 7 therein and pivotally support the same by the threaded trunnions 13. The said trunnions threadedly engage the openings 14 in the arms 12 and Specification of Letters Patent.

have invented a newand use:

. approximately central Patented Jan. 12, 1915.

are provided with the cylindrical portions 1 1 which project within the diametrically opposed bearings 15. The rearwardly projecting and externally threaded sleeve 16 is carried by the yoke, the opening 15 which communicates with a similar opening 18 which extends through the yoke, extending thereof, and which opening receives a guide lug or projection 19 of the valve seat member 20.

The valve seat memberQO isformed of some suitablemetal acting in the capacity of a bushing and valve seat. Ihavefound after extensive experience with gage cocks that unless some resilient means are provided for holding the valve seat tightly against the valve head a constant and useless waste of steam and water will be experienced and furthermore a direct and positive force ap-' plied to the valve seat will result in a wedged engagement between the moving parts, thus and furthermore that said positive force will prevent the valve seat from allowing for-any view the bushingor valve seat 20 is provided with the rearwardly extending guide preventing their proper working,

lug 19 slidably disposed within the opening 18 wherebythe said bushing is prevented from becoming accidentally detached from the yoke. The bushing is thus limited to a sliding and rectilinear motion and is thus constrained to move directly against or away from the valve head 7.

A handle 21 internally threaded as at 22 which allows the same to engage the sleeve 16 and the advancement or retraction thereof, is thus provided. A spring receiving opening 23 projects inward in the handle and in which is housed the spring 24:, the opposite end of which contacts with the extremity of the guide lug 19 of the valve seat and resiliently holds the same in contact with the valve head, thus providing for superficial contact therebetween and insuring a tight joint. The gage cock will thus be efficient in service, will remain tight even though the valve head 7 be other than exactly cylindrical in contour. The spring 24 is of such strength as to hold the valve seat in tight contact with the'valve head, despite the pressure brought to bear thereagainst and communicated thereto through the passageway 9 and duct 10. By moving the handle 21 the yoke "is rotated, thus movingthe tioned bearings, trunnionsthreadedly enprovided with threaded openings extending gaging the arm opening'sandprovided with cylindrical portions projecting Within the said bearings and rotatablymounting the said yoke, a valve seat member slidably positioned, vbetween the arms,j and means for forcing thesame into resilientcontact with the cylindrical end ofthe. said boiler engaging member.

2. A gage cock comprising a boiler engaging member with an: outer cylindrical end and outlet duct extending therethrough,

"a vyoke spaced with arms receiving the'cylindrical end of said'boiler engaging member, the said cylindrical end provided with transversely extending limited bearings ex- I tending therein, the spaced arms of the yoke therethroug-h registering with the, aforementioned bearings, ,tlllllIllOIlS threadedly engaging the-arm openings andyprovided with I cylindrical portionsprojecting within the said bearingsand rotatabl'y mounting the said yoke, said trunnions providedwith outstanding wrench engageable ends, a valve Copies of this patent maybe-obtained for seat member slidably positioned between the arms, and means for forcing thesame into resilient-contact Withtlie cylindrical end of thesaid boiler engaging member, the line of force of said resilient means extending through the axis of rotation of saidyoke,

3. Br device of the character stated, comprisinga boiler; engaging member With a cylindrical valve head projecting rearwardly therefrom and provided with aduct extending therethrough, a yoke includingspaced arms rotatably receiving the cylindrical; valve head ,therebetween, means r0- tatably engaging the valve, head and carried by said yoke, rotatablyfl mounting the v former, the valve seat member slidablyrpositioned between the arms of the yoke and providedwith a cylindrical surface contacting with; and conforminggto the cylindrical valve head, said yoke provided; With a rear,

wardly extending axiaL bore, the aXis there-v of extending through the axis of rotationof the .said' cylindrical; valve head, said valve seat member provided with a rearwardly ex,- tendi-ng cylindrical projection fitting within and slidably held by thesaid last mentioned bore,:; a handle threadedly engaging said yoke, and. a spring housed:withinQthe' yoke axial bore, contacting with the said handle andwith the said valve seat member, the

line of force of said springmextending through the axis of rotation of the cylindricalvalvehead; c

In testimony that If claim the foregoing asmy own, 'I'hELVQ hereto aflixedvmy signa ture in the presence oi two witnesses.

I FRANK W. LEIDECKER.

Witnesses:

FRED: PEEBLEs, R; S. ADAMS.;

five cents each, iby address ing the Commissioner, intents, Wuhingtoi, D. 0. c 

